2011: Large Scale Pesticide Monitoring Across Great Barrier Reef Catchments – Paddock to Reef Integrated Monitoring, Modelling and Reporting Program, 6 pesticides and two metabolites detected in Pioneer River: Ametryn, Atrazine, Desethyl Atrazine, Desisopropyl Atrazine, Diuron, Hexazinone, Simazine, Imidacloprid.